18719380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55057}}^1$

素因数の和:55083

約数の個数: 24

約数和(自身を含む): 41623848

約数和(自身を除く): 22904468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55057, 110114, 220228, 275285, 550570, 935969, 1101140, 1871938, 3743876, 4679845, 9359690, 18719380]

約数ペア:

[(1, 18719380), (2, 9359690), (4, 4679845), (5, 3743876), (10, 1871938), (17, 1101140), (20, 935969), (34, 550570), (68, 275285), (85, 220228), (170, 110114), (340, 55057)]